Photovoltaic silver paste storage device capable of preventing volatilization

Abstract

The utility model provides a photovoltaic silver paste storage device capable of preventing volatilization, and belongs to the technical field of silver paste storage. Comprising two side frames, a cooling mechanism is arranged between the two side frames, the cooling mechanism comprises a plurality of partition plates fixed between the two side frames, storage barrels are placed on the partition plates, heat exchange assemblies are arranged on the partition plates, and the two ends of each heat exchange assembly communicate with a water inlet box and a water outlet box correspondingly; a water inlet of the water inlet box is connected with a water outlet of the cooling-water machine, the storage barrel is attached to the side faces of the heat exchange assemblies, the heat exchange assemblies are lower than the storage barrel, and water flows to the multiple heat exchange assemblies after entering the water inlet box. The heat exchange assembly is arranged, the storage barrel is placed on the partition plate and attached to the side face of the heat exchange assembly, and silver paste in the storage barrel is cooled through water flowing in the heat exchange assembly, so that organic solvent in the silver paste is prevented from being volatilized.

Description

Technical Field

[0001] This utility model relates to the field of silver paste storage technology, and in particular to a photovoltaic silver paste storage device that prevents volatilization. Background Technology

[0002] Photovoltaic silver paste is a conductive paste used in the manufacture of solar cells. It is mainly composed of a mixture of silver powder, glass oxide, organic solvents and other materials. It is coated on the surface of solar cells through processes such as screen printing to form electrodes for collecting and conducting current. It is one of the key materials for solar cells to achieve photoelectric conversion. Photovoltaic silver paste is usually stored in a storage container to isolate it from the external environment and thus protect it.

[0003] Common photovoltaic silver paste storage devices utilize storage containers to store the photovoltaic silver paste. When the ambient temperature of the storage container is high, the organic solvents in the photovoltaic silver paste are easily volatilized due to the high temperature, thus affecting the normal use of the photovoltaic silver paste. Therefore, this application provides a photovoltaic silver paste storage device that prevents volatilization to meet this requirement. Summary of the Invention

[0004] This invention provides a photovoltaic silver paste storage device to prevent volatilization, thereby solving the problem that when the ambient temperature of the storage container is high, the organic solvent in the photovoltaic silver paste is easily volatilized by the high temperature, thus affecting the normal use of the photovoltaic silver paste.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A photovoltaic silver paste storage device for preventing volatilization includes two side frames. A cooling mechanism is provided between the two side frames. The cooling mechanism includes several partitions fixed between the two side frames. A storage cylinder is placed on the partitions. A heat exchange component is provided on the partitions. The two ends of the heat exchange component are respectively connected to an inlet box and an outlet box. The inlet of the inlet box is connected to the outlet of a chiller. The storage cylinder is in contact with the side of the heat exchange component, and the height of the heat exchange component is lower than the height of the storage cylinder. Water flows into the inlet box and then flows to the multiple heat exchange components. The heat exchange components are used for heat exchange between the water flow and the silver paste inside the storage cylinder. After heat exchange, the water flows out from the outlet box.

[0007] Preferably, the top and bottom of the partition are provided with guide surfaces, which are inclined.

[0008] Preferably, the heat exchange assembly includes a cooling box fixed to the top of the partition, the water inlet of the cooling box is connected to the water inlet box, the water outlet of the cooling box is connected to the water outlet box, and a heat exchange plate is fixed at the opening of the cooling box, with the heat exchange plate in contact with the storage cylinder.

[0009] Preferably, the inner wall of the cooling box has several recesses, which are arc-shaped and have a curved transition between adjacent recesses.

[0010] Preferably, a partition strip is fixed to the inner wall of the cooling box, and the partition strip is located between two adjacent recesses.

[0011] Preferably, the heat exchange plate has an arc-shaped portion that corresponds to the recessed portion, the arc-shaped portion fits against the side of the storage cylinder, and there is a curved transition between two adjacent arc-shaped portions.

[0012] Preferably, a guide strip is fixed to the inner wall of the recess, the guide strip is a right triangle, and the hypotenuse of the guide strip faces the arc-shaped part of the heat exchange plate.

[0013] Preferably, a number of heat exchange bars are fixed on the side of the heat exchange plate away from the storage cylinder.

[0014] Compared with the prior art, this utility model has at least the following beneficial effects:

[0015] In the above scheme, by setting up a heat exchange component, the storage cylinder is placed on the partition and attached to the side of the heat exchange component. The water flow inside the heat exchange component is used to cool down the silver paste inside the storage cylinder, thereby preventing the evaporation of organic solvents in the silver paste.

[0016] By setting up flow guides, the water flow within the heat exchange assembly is directed towards the heat exchange plate, thereby improving the heat exchange capacity of the heat exchange plate and further enhancing the cooling capacity of the silver paste in the storage cylinder, thus further preventing the evaporation of organic solvents in the silver paste.

[0017] By setting heat exchange strips, the contact area between the heat exchange plate and the water flow is increased, thereby further improving the heat exchange capacity of the heat exchange plate and preventing the evaporation of organic solvents in the silver paste.

[0018] By setting an arc-shaped section, the contact area between the heat exchange plate and the storage cylinder is increased, thereby improving the cooling capacity of the heat exchange component for the silver paste in the storage cylinder and ultimately preventing the evaporation of organic solvents in the silver paste. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a three-dimensional structural diagram of the partition of this utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the heat exchange plate of this utility model;

[0022] Figure 4 This is a three-dimensional structural diagram of the guide strip of this utility model;

[0023] Figure 5 This is a three-dimensional structural diagram of the heat exchange bar of this utility model.

[0024] In the diagram: 1. Side frame; 2. Cooling mechanism; 3. Baffle; 4. Cooling box; 5. Recessed part; 6. Heat exchange plate; 7. Arc-shaped part; 8. Guide bar; 9. Heat exchange bar; 10. Water inlet box; 11. Water outlet box; 12. Separator bar; 13. Storage cylinder; 14. Heat exchange assembly.

[0025] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiments of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to the specific structure, device and environment. According to specific needs, those skilled in the art can adjust or modify these devices and environments, and such adjustments or modifications are still included in the scope of the appended claims. Detailed Implementation

[0026] The following is a detailed description of a photovoltaic silver paste storage device for preventing volatilization provided by this utility model, with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments; those skilled in the art can also use other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0027] like Figures 1-5As shown, an embodiment of this utility model provides a photovoltaic silver paste storage device to prevent volatilization, including two side frames 1. A cooling mechanism 2 is arranged between the two side frames 1. The cooling mechanism 2 includes several partitions 3 fixed between the two side frames 1. A storage cylinder 13 is placed on the partitions 3. A heat exchange component 14 is arranged on the partitions 3. The two ends of the heat exchange component 14 are respectively connected to a water inlet box 10 and a water outlet box 11. The water inlet of the water inlet box 10 is connected to the water outlet of a chiller. The storage cylinder 13 is in close contact with the side of the heat exchange component 14, and the height of the heat exchange component 14 is lower than the height of the storage cylinder 13. After the water flows into the water inlet box 10, it flows to the multiple heat exchange components 14. The heat exchange components 14 are used for heat exchange between the water flow and the silver paste inside the storage cylinder 13. After heat exchange, the water flows out from the water outlet box 11. The side frames 1 provide support for the overall device. The supporting structure ensures the stability of the cooling mechanism 2. Multiple partitions 3 divide the space into layers, enabling simultaneous cooling of multiple storage cylinders 13. The water inlet box 10, water outlet box 11, and chiller create a water circulation system, ensuring a continuous and stable heat exchange process. The design of the heat exchange component 14 being lower than the storage cylinder 13 allows the water flow to fully cover the main part of the storage cylinder 13, improving the cooling effect and effectively preventing the evaporation of organic solvents in the silver paste. At the same time, the lower height of the heat exchange component 14 allows the storage cylinder 13 to be directly removed from the heat exchange component 14 from the cylinder cover corresponding to the storage cylinder 13. This enables the storage cylinder 13 to be placed and removed from the side of the heat exchange component 14 without requiring excessive spacing between adjacent partitions 3, saving space and improving the overall space utilization of the device.

[0028] like Figure 3 As shown in this embodiment, guide surfaces are provided at the top and bottom of the partition 3. The guide surfaces are inclined and play a guiding role when the storage cylinder 13 is placed, so that the storage cylinder 13 can be quickly and accurately positioned at the predetermined position on the partition 3, thereby improving the ease of operation.

[0029] like Figures 3-5 As shown in this embodiment, the heat exchange assembly 14 includes a cooling box 4 fixed to the top of the partition 3. The water inlet of the cooling box 4 is connected to the water inlet box 10, and the water outlet of the cooling box 4 is connected to the water outlet box 11. A heat exchange plate 6 is fixed at the opening of the cooling box 4. The heat exchange plate 6 is in contact with the storage cylinder 13. The cooling box 4 serves as a channel for water flow, providing space for the heat exchange process. The connection between the water inlet and the water inlet box 10 and the connection between the water outlet and the water outlet box 11 ensures smooth water flow. The close fit design between the heat exchange plate 6 and the storage cylinder 13 enables heat to be efficiently transferred from the storage cylinder 13 to the water flow, enhancing the cooling effect on the silver paste inside the storage cylinder 13.

[0030] like Figure 4As shown in this embodiment, the inner wall of the cooling box 4 is provided with several recesses 5. The recesses 5 are arc-shaped, and there is a curve transition between two adjacent recesses 5. The arc-shaped recesses 5 and the curve transition design make the water flow path in the cooling box 4 more tortuous, prolong the residence time of the water in the cooling box 4, increase the contact opportunity between the water flow and the heat exchange plate 6, and at the same time make the water flow distribution more uniform, avoiding the problem of excessive local temperature, thereby improving the overall heat exchange efficiency.

[0031] like Figure 4 As shown in this embodiment, a partition strip 12 is fixed on the inner wall of the cooling box 4. The partition strip 12 is located between two adjacent recesses 5. The partition strip 12 separates the adjacent recesses 5, guides the cooling water to flow smoothly between the two adjacent recesses 5, prevents the cooling water from forming eddies in the curved transition area between the two adjacent recesses 5, ensures the stability and smoothness of the water flow, and further improves the heat exchange effect.

[0032] like Figure 4 and Figure 5 As shown in this embodiment, the heat exchange plate 6 has an arc-shaped portion 7 bent on it. The arc-shaped portion 7 corresponds to the recessed portion 5. The arc-shaped portion 7 is in contact with the side of the storage cylinder 13. There is a curve transition between two adjacent arc-shaped portions 7. The contact between the arc-shaped portion 7 and the side of the storage cylinder 13 increases the contact area compared with the flat contact, which can more effectively transfer the heat of the silver paste in the storage cylinder 13 to the heat exchange plate 6.

[0033] like Figure 4 As shown in this embodiment, a guide strip 8 is fixed to the inner wall of the recessed portion 5. The guide strip 8 is a right-angled triangle with its hypotenuse facing the arc-shaped portion 7 of the heat exchange plate 6. The right-angled triangle guide strip 8 can guide the water flow in the cooling box 4, forcing the water flow towards the arc-shaped portion 7 of the heat exchange plate 6, increasing the flow velocity of the water near the heat exchange plate 6, improving the heat exchange capacity at the heat exchange plate 6, further reducing the temperature of the silver paste in the storage cylinder 13, and effectively preventing the volatilization of organic solvents in the silver paste.

[0034] like Figure 5 As shown in this embodiment, several heat exchange strips 9 are fixed on the side of the heat exchange plate 6 away from the storage cylinder 13. The setting of heat exchange strips 9 increases the contact area between the heat exchange plate 6 and the water flow, so that heat can be transferred from the heat exchange plate 6 to the water flow more quickly, thereby improving the heat exchange capacity of the heat exchange plate 6 and further enhancing the cooling effect on the silver paste in the storage cylinder 13, ensuring that the silver paste is always in a low temperature environment and preventing the evaporation of organic solvents.

[0035] Working principle: The low-temperature cooling water output by the chiller enters the inlet box 10 and is distributed to the heat exchange components 14 on each layer of partition 3. When the coolant flows in the cooling box 4, it exchanges heat with the storage cylinder 13 attached to the heat exchange plate 6. After absorbing the heat of the silver paste, it flows back to the chiller through the outlet box 11, forming a closed-loop cooling cycle.

[0036] The arc-shaped part 7 of the heat exchange component 14 fits tightly against the outer surface of the storage cylinder 13, increasing the contact area between the two and accelerating heat conduction. The recessed part 5 of the inner wall of the cooling box 4 cooperates with the arc-shaped part 7 to form a curved channel, guiding the coolant to flow evenly and reducing local thermal resistance. The right-angled triangular guide strip 8 inside the recessed part 5 forces the coolant to flow towards the heat exchange plate 6, avoiding dead flow angles and enhancing convective heat transfer. At the same time, the heat exchange strip 9 on the outer side of the heat exchange plate 6 further increases the contact area with the coolant, further improving the heat transfer capacity at the heat exchange plate 6.

[0037] The inclined guide surfaces at the top and bottom of this partition 3 guide the placement of the storage cylinder 13, making it easy to position the storage cylinder 13. The partition strip 12 inside the cooling box 4 guides the cooling water to flow smoothly between two adjacent recesses 5, preventing the cooling water from forming eddies in the curved transition area between two adjacent recesses 5, thus improving the smoothness of the cooling water flow. By cooling the silver paste inside the storage cylinder 13, the evaporation of organic solvents in the silver paste is effectively prevented.

[0038] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A photovoltaic silver paste storage device to prevent volatilization, characterized in that, The device includes two side frames (1), and a cooling mechanism (2) is provided between the two side frames (1). The cooling mechanism (2) includes several partitions (3) fixed between the two side frames (1). The storage cylinder (13) is placed on the partitions (3). A heat exchange component (14) is provided on the partitions (3). The two ends of the heat exchange component (14) are respectively connected to the water inlet box (10) and the water outlet box (11). The water inlet of the water inlet box (10) is connected to the water outlet of the chiller. The storage cylinder (13) is in contact with the side of the heat exchange component (14), and the height of the heat exchange component (14) is lower than the height of the storage cylinder (13). After the water flows into the water inlet box (10), it flows to multiple heat exchange components (14). The heat exchange component (14) is used for heat exchange between the water flow and the silver paste inside the storage cylinder (13). After heat exchange, the water flows out from the water outlet box (11).

2. The photovoltaic silver paste storage device for preventing volatilization according to claim 1, characterized in that, The top and bottom of the partition (3) are provided with guide surfaces, which are inclined.

3. The photovoltaic silver paste storage device for preventing volatilization according to claim 1, characterized in that, The heat exchange assembly (14) includes a cooling box (4) fixed on the top of the partition (3). The water inlet of the cooling box (4) is connected to the water inlet box (10), and the water outlet of the cooling box (4) is connected to the water outlet box (11). A heat exchange plate (6) is fixed at the opening of the cooling box (4), and the heat exchange plate (6) is in contact with the storage cylinder (13).

4. The photovoltaic silver paste storage device for preventing volatilization according to claim 3, characterized in that, The inner wall of the cooling box (4) has several recesses (5), which are arc-shaped and have a curved transition between adjacent recesses (5).

5. The photovoltaic silver paste storage device for preventing volatilization according to claim 4, characterized in that, The inner wall of the cooling box (4) is fixed with a partition strip (12), which is located between two adjacent recesses (5).

6. The photovoltaic silver paste storage device for preventing volatilization according to claim 4, characterized in that, The heat exchange plate (6) has an arc-shaped part (7) bent on it. The arc-shaped part (7) corresponds to the recessed part (5). The arc-shaped part (7) fits against the side of the storage cylinder (13). There is a curve transition between two adjacent arc-shaped parts (7).

7. The photovoltaic silver paste storage device for preventing volatilization according to claim 6, characterized in that, The inner wall of the recess (5) is fixed with a guide strip (8), which is a right triangle with the hypotenuse of the guide strip (8) facing the arc-shaped part (7) of the heat exchange plate (6).

8. The photovoltaic silver paste storage device for preventing volatilization according to claim 7, characterized in that, Several heat exchange bars (9) are fixed on the side of the heat exchange plate (6) away from the storage cylinder (13).

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